src/generic/srchctlg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/srchctlg.cpp
   3 // Purpose:     implements wxSearchCtrl as a composite control
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // License:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_SEARCHCTRL
  19
  20 #include "wx/srchctrl.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/button.h"
  24     #include "wx/dcclient.h"
  25     #include "wx/menu.h"
  26     #include "wx/dcmemory.h"
  27 #endif //WX_PRECOMP
  28
  29 #if !wxUSE_NATIVE_SEARCH_CONTROL
  30
  31 #include "wx/image.h"
  32
  33 #define WXMAX(a,b) ((a)>(b)?(a):(b))
  34
  35 // ----------------------------------------------------------------------------
  36 // constants
  37 // ----------------------------------------------------------------------------
  38
  39 // the margin between the text control and the search/cancel buttons
  40 static const wxCoord MARGIN = 2;
  41
  42 // border around all controls to compensate for wxSIMPLE_BORDER
  43 #if defined(__WXMSW__)
  44 static const wxCoord BORDER = 0;
  45 static const wxCoord ICON_MARGIN = 2;
  46 static const wxCoord ICON_OFFSET = 2;
  47 #else
  48 static const wxCoord BORDER = 2;
  49 static const wxCoord ICON_MARGIN = 0;
  50 static const wxCoord ICON_OFFSET = 0;
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // TODO: These functions or something like them should probably be made
  55 // public.  There are similar functions in src/aui/dockart.cpp...
  56
  57 static double wxBlendColour(double fg, double bg, double alpha)
  58 {
  59     double result = bg + (alpha * (fg - bg));
  60     if (result < 0.0)
  61         result = 0.0;
  62     if (result > 255)
  63         result = 255;
  64     return result;
  65 }
  66
  67 static wxColor wxStepColour(const wxColor& c, int ialpha)
  68 {
  69     if (ialpha == 100)
  70         return c;
  71
  72     double r = c.Red(), g = c.Green(), b = c.Blue();
  73     double bg;
  74
  75     // ialpha is 0..200 where 0 is completely black
  76     // and 200 is completely white and 100 is the same
  77     // convert that to normal alpha 0.0 - 1.0
  78     ialpha = wxMin(ialpha, 200);
  79     ialpha = wxMax(ialpha, 0);
  80     double alpha = ((double)(ialpha - 100.0))/100.0;
  81
  82     if (ialpha > 100)
  83     {
  84         // blend with white
  85         bg = 255.0;
  86         alpha = 1.0 - alpha;  // 0 = transparent fg; 1 = opaque fg
  87     }
  88      else
  89     {
  90         // blend with black
  91         bg = 0.0;
  92         alpha = 1.0 + alpha;  // 0 = transparent fg; 1 = opaque fg
  93     }
  94
  95     r = wxBlendColour(r, bg, alpha);
  96     g = wxBlendColour(g, bg, alpha);
  97     b = wxBlendColour(b, bg, alpha);
  98
  99     return wxColour((unsigned char)r, (unsigned char)g, (unsigned char)b);
 100 }
 101
 102 #define LIGHT_STEP 160
 103
 104 // ----------------------------------------------------------------------------
 105 // wxSearchTextCtrl: text control used by search control
 106 // ----------------------------------------------------------------------------
 107
 108 class wxSearchTextCtrl : public wxTextCtrl
 109 {
 110 public:
 111     wxSearchTextCtrl(wxSearchCtrl *search, const wxString& value, int style)
 112         : wxTextCtrl(search, wxID_ANY, value, wxDefaultPosition, wxDefaultSize,
 113                      style | wxNO_BORDER)
 114     {
 115         m_search = search;
 116         m_defaultFG = GetForegroundColour();
 117
 118         // remove the default minsize, the searchctrl will have one instead
 119         SetSizeHints(wxDefaultCoord,wxDefaultCoord);
 120     }
 121
 122     void SetDescriptiveText(const wxString& text)
 123     {
 124         if ( GetValue() == m_descriptiveText )
 125         {
 126             ChangeValue(wxEmptyString);
 127         }
 128
 129         m_descriptiveText = text;
 130     }
 131
 132     wxString GetDescriptiveText() const
 133     {
 134         return m_descriptiveText;
 135     }
 136
 137
 138     // provide access to the base class protected methods to wxSearchCtrl which
 139     // needs to forward to them
 140     void DoSetValue(const wxString& value, int flags)
 141     {
 142         wxTextCtrl::DoSetValue(value, flags);
 143     }
 144
 145     bool DoLoadFile(const wxString& file, int fileType)
 146     {
 147         return wxTextCtrl::DoLoadFile(file, fileType);
 148     }
 149
 150     bool DoSaveFile(const wxString& file, int fileType)
 151     {
 152         return wxTextCtrl::DoSaveFile(file, fileType);
 153     }
 154
 155 protected:
 156     void OnText(wxCommandEvent& eventText)
 157     {
 158         wxCommandEvent event(eventText);
 159         event.SetEventObject(m_search);
 160         event.SetId(m_search->GetId());
 161
 162         m_search->GetEventHandler()->ProcessEvent(event);
 163     }
 164
 165     void OnTextUrl(wxTextUrlEvent& eventText)
 166     {
 167         // copy constructor is disabled for some reason?
 168         //wxTextUrlEvent event(eventText);
 169         wxTextUrlEvent event(
 170             m_search->GetId(),
 171             eventText.GetMouseEvent(),
 172             eventText.GetURLStart(),
 173             eventText.GetURLEnd()
 174             );
 175         event.SetEventObject(m_search);
 176
 177         m_search->GetEventHandler()->ProcessEvent(event);
 178     }
 179
 180     void OnIdle(wxIdleEvent& WXUNUSED(event))
 181     {
 182         if ( IsEmpty() && !(wxWindow::FindFocus() == this) )
 183         {
 184             ChangeValue(m_descriptiveText);
 185             SetInsertionPoint(0);
 186             SetForegroundColour(wxStepColour(m_defaultFG, LIGHT_STEP));
 187         }
 188     }
 189
 190     void OnFocus(wxFocusEvent& event)
 191     {
 192         event.Skip();
 193         if ( GetValue() == m_descriptiveText )
 194         {
 195             ChangeValue(wxEmptyString);
 196             SetForegroundColour(m_defaultFG);
 197         }
 198     }
 199
 200 private:
 201     wxSearchCtrl* m_search;
 202     wxString      m_descriptiveText;
 203     wxColour      m_defaultFG;
 204
 205     DECLARE_EVENT_TABLE()
 206 };
 207
 208 BEGIN_EVENT_TABLE(wxSearchTextCtrl, wxTextCtrl)
 209     EVT_TEXT(wxID_ANY, wxSearchTextCtrl::OnText)
 210     EVT_TEXT_ENTER(wxID_ANY, wxSearchTextCtrl::OnText)
 211     EVT_TEXT_URL(wxID_ANY, wxSearchTextCtrl::OnTextUrl)
 212     EVT_TEXT_MAXLEN(wxID_ANY, wxSearchTextCtrl::OnText)
 213     EVT_IDLE(wxSearchTextCtrl::OnIdle)
 214     EVT_SET_FOCUS(wxSearchTextCtrl::OnFocus)
 215 END_EVENT_TABLE()
 216
 217 // ----------------------------------------------------------------------------
 218 // wxSearchButton: search button used by search control
 219 // ----------------------------------------------------------------------------
 220
 221 class wxSearchButton : public wxControl
 222 {
 223 public:
 224     wxSearchButton(wxSearchCtrl *search, int eventType, const wxBitmap& bmp)
 225         : wxControl(search, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNO_BORDER),
 226           m_search(search),
 227           m_eventType(eventType),
 228           m_bmp(bmp)
 229     { }
 230
 231     void SetBitmapLabel(const wxBitmap& label) { m_bmp = label; }
 232
 233
 234 protected:
 235     wxSize DoGetBestSize() const
 236     {
 237         return wxSize(m_bmp.GetWidth(), m_bmp.GetHeight());
 238     }
 239
 240     void OnLeftUp(wxMouseEvent&)
 241     {
 242         wxCommandEvent event(m_eventType, m_search->GetId());
 243         event.SetEventObject(m_search);
 244
 245         GetEventHandler()->ProcessEvent(event);
 246
 247         m_search->SetFocus();
 248
 249 #if wxUSE_MENUS
 250         if ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN )
 251         {
 252             // this happens automatically, just like on Mac OS X
 253             m_search->PopupSearchMenu();
 254         }
 255 #endif // wxUSE_MENUS
 256     }
 257
 258     void OnPaint(wxPaintEvent&)
 259     {
 260         wxPaintDC dc(this);
 261         dc.DrawBitmap(m_bmp, 0,0, true);
 262     }
 263
 264
 265 private:
 266     wxSearchCtrl *m_search;
 267     wxEventType   m_eventType;
 268     wxBitmap      m_bmp;
 269
 270     DECLARE_EVENT_TABLE()
 271 };
 272
 273 BEGIN_EVENT_TABLE(wxSearchButton, wxControl)
 274     EVT_LEFT_UP(wxSearchButton::OnLeftUp)
 275     EVT_PAINT(wxSearchButton::OnPaint)
 276 END_EVENT_TABLE()
 277
 278 BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase)
 279     EVT_SEARCHCTRL_SEARCH_BTN(wxID_ANY, wxSearchCtrl::OnSearchButton)
 280     EVT_SET_FOCUS(wxSearchCtrl::OnSetFocus)
 281     EVT_SIZE(wxSearchCtrl::OnSize)
 282 END_EVENT_TABLE()
 283
 284 IMPLEMENT_DYNAMIC_CLASS(wxSearchCtrl, wxSearchCtrlBase)
 285
 286 // ============================================================================
 287 // implementation
 288 // ============================================================================
 289
 290 // ----------------------------------------------------------------------------
 291 // wxSearchCtrl creation
 292 // ----------------------------------------------------------------------------
 293
 294 // creation
 295 // --------
 296
 297 wxSearchCtrl::wxSearchCtrl()
 298 {
 299     Init();
 300 }
 301
 302 wxSearchCtrl::wxSearchCtrl(wxWindow *parent, wxWindowID id,
 303            const wxString& value,
 304            const wxPoint& pos,
 305            const wxSize& size,
 306            long style,
 307            const wxValidator& validator,
 308            const wxString& name)
 309 {
 310     Init();
 311
 312     Create(parent, id, value, pos, size, style, validator, name);
 313 }
 314
 315 void wxSearchCtrl::Init()
 316 {
 317     m_text = NULL;
 318     m_searchButton = NULL;
 319     m_cancelButton = NULL;
 320 #if wxUSE_MENUS
 321     m_menu = NULL;
 322 #endif // wxUSE_MENUS
 323
 324     m_searchButtonVisible = true;
 325     m_cancelButtonVisible = false;
 326
 327     m_searchBitmapUser = false;
 328     m_cancelBitmapUser = false;
 329 #if wxUSE_MENUS
 330     m_searchMenuBitmapUser = false;
 331 #endif // wxUSE_MENUS
 332 }
 333
 334 bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id,
 335             const wxString& value,
 336             const wxPoint& pos,
 337             const wxSize& size,
 338             long style,
 339             const wxValidator& validator,
 340             const wxString& name)
 341 {
 342     // force border style for more native appearance
 343     style &= ~wxBORDER_MASK;
 344 #ifdef __WXGTK__
 345     style |= wxBORDER_SUNKEN;
 346 #elif defined(__WXMSW__)
 347     // Don't set the style explicitly, let GetDefaultBorder() work it out, unless
 348     // we will get a sunken border (e.g. on Windows 200) in which case we must
 349     // override with a simple border.
 350     if (GetDefaultBorder() == wxBORDER_SUNKEN)
 351         style |= wxBORDER_SIMPLE;
 352 #else
 353     style |= wxBORDER_SIMPLE;
 354 #endif
 355     if ( !wxSearchCtrlBaseBaseClass::Create(parent, id, pos, size,
 356                                             style, validator, name) )
 357     {
 358         return false;
 359     }
 360
 361     m_text = new wxSearchTextCtrl(this, value, style & ~wxBORDER_MASK);
 362     m_text->SetDescriptiveText(_("Search"));
 363
 364     m_searchButton = new wxSearchButton(this,
 365                                         wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN,
 366                                         m_searchBitmap);
 367     m_cancelButton = new wxSearchButton(this,
 368                                         wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN,
 369                                         m_cancelBitmap);
 370
 371     SetForegroundColour( m_text->GetForegroundColour() );
 372     m_searchButton->SetForegroundColour( m_text->GetForegroundColour() );
 373     m_cancelButton->SetForegroundColour( m_text->GetForegroundColour() );
 374
 375     SetBackgroundColour( m_text->GetBackgroundColour() );
 376     m_searchButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 377     m_cancelButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 378
 379     RecalcBitmaps();
 380
 381     SetInitialSize(size);
 382     Move(pos);
 383     return true;
 384 }
 385
 386 wxSearchCtrl::~wxSearchCtrl()
 387 {
 388     delete m_text;
 389     delete m_searchButton;
 390     delete m_cancelButton;
 391 #if wxUSE_MENUS
 392     delete m_menu;
 393 #endif // wxUSE_MENUS
 394 }
 395
 396
 397 // search control specific interfaces
 398 #if wxUSE_MENUS
 399
 400 void wxSearchCtrl::SetMenu( wxMenu* menu )
 401 {
 402     if ( menu == m_menu )
 403     {
 404         // no change
 405         return;
 406     }
 407     bool hadMenu = (m_menu != NULL);
 408     delete m_menu;
 409     m_menu = menu;
 410
 411     if ( m_menu && !hadMenu )
 412     {
 413         m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
 414         m_searchButton->Refresh();
 415     }
 416     else if ( !m_menu && hadMenu )
 417     {
 418         m_searchButton->SetBitmapLabel(m_searchBitmap);
 419         if ( m_searchButtonVisible )
 420         {
 421             m_searchButton->Refresh();
 422         }
 423     }
 424     wxRect rect = GetRect();
 425     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 426 }
 427
 428 wxMenu* wxSearchCtrl::GetMenu()
 429 {
 430     return m_menu;
 431 }
 432
 433 #endif // wxUSE_MENUS
 434
 435 void wxSearchCtrl::ShowSearchButton( bool show )
 436 {
 437     if ( m_searchButtonVisible == show )
 438     {
 439         // no change
 440         return;
 441     }
 442     m_searchButtonVisible = show;
 443     if ( m_searchButtonVisible )
 444     {
 445         RecalcBitmaps();
 446     }
 447
 448     wxRect rect = GetRect();
 449     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 450 }
 451
 452 bool wxSearchCtrl::IsSearchButtonVisible() const
 453 {
 454     return m_searchButtonVisible;
 455 }
 456
 457
 458 void wxSearchCtrl::ShowCancelButton( bool show )
 459 {
 460     if ( m_cancelButtonVisible == show )
 461     {
 462         // no change
 463         return;
 464     }
 465     m_cancelButtonVisible = show;
 466
 467     wxRect rect = GetRect();
 468     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 469 }
 470
 471 bool wxSearchCtrl::IsCancelButtonVisible() const
 472 {
 473     return m_cancelButtonVisible;
 474 }
 475
 476 void wxSearchCtrl::SetDescriptiveText(const wxString& text)
 477 {
 478     m_text->SetDescriptiveText(text);
 479 }
 480
 481 wxString wxSearchCtrl::GetDescriptiveText() const
 482 {
 483     return m_text->GetDescriptiveText();
 484 }
 485
 486 // ----------------------------------------------------------------------------
 487 // geometry
 488 // ----------------------------------------------------------------------------
 489
 490 wxSize wxSearchCtrl::DoGetBestSize() const
 491 {
 492     wxSize sizeText = m_text->GetBestSize();
 493     wxSize sizeSearch(0,0);
 494     wxSize sizeCancel(0,0);
 495     int searchMargin = 0;
 496     int cancelMargin = 0;
 497     if ( m_searchButtonVisible || HasMenu() )
 498     {
 499         sizeSearch = m_searchButton->GetBestSize();
 500         searchMargin = MARGIN;
 501     }
 502     if ( m_cancelButtonVisible )
 503     {
 504         sizeCancel = m_cancelButton->GetBestSize();
 505         cancelMargin = MARGIN;
 506     }
 507
 508     int horizontalBorder = 1 + ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 509
 510     // buttons are square and equal to the height of the text control
 511     int height = sizeText.y;
 512     return wxSize(sizeSearch.x + searchMargin + sizeText.x + cancelMargin + sizeCancel.x + 2*horizontalBorder,
 513                   height + 2*BORDER);
 514 }
 515
 516 void wxSearchCtrl::DoMoveWindow(int x, int y, int width, int height)
 517 {
 518     wxSearchCtrlBase::DoMoveWindow(x, y, width, height);
 519
 520     LayoutControls(0, 0, width, height);
 521 }
 522
 523 void wxSearchCtrl::LayoutControls(int x, int y, int width, int height)
 524 {
 525     if ( !m_text )
 526         return;
 527
 528     wxSize sizeText = m_text->GetBestSize();
 529     // make room for the search menu & clear button
 530     int horizontalBorder = ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 531     x += horizontalBorder;
 532     y += BORDER;
 533     width -= horizontalBorder*2;
 534     height -= BORDER*2;
 535
 536     wxSize sizeSearch(0,0);
 537     wxSize sizeCancel(0,0);
 538     int searchMargin = 0;
 539     int cancelMargin = 0;
 540     if ( m_searchButtonVisible || HasMenu() )
 541     {
 542         sizeSearch = m_searchButton->GetBestSize();
 543         searchMargin = MARGIN;
 544     }
 545     if ( m_cancelButtonVisible )
 546     {
 547         sizeCancel = m_cancelButton->GetBestSize();
 548         cancelMargin = MARGIN;
 549     }
 550     m_searchButton->Show( m_searchButtonVisible || HasMenu() );
 551     m_cancelButton->Show( m_cancelButtonVisible );
 552
 553     if ( sizeSearch.x + sizeCancel.x > width )
 554     {
 555         sizeSearch.x = width/2;
 556         sizeCancel.x = width/2;
 557         searchMargin = 0;
 558         cancelMargin = 0;
 559     }
 560     wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin - 1;
 561
 562     // position the subcontrols inside the client area
 563
 564     m_searchButton->SetSize(x, y + ICON_OFFSET - 1, sizeSearch.x, height);
 565     m_text->SetSize( x + sizeSearch.x + searchMargin,
 566                      y + ICON_OFFSET - BORDER,
 567                      textWidth,
 568                      height);
 569     m_cancelButton->SetSize(x + sizeSearch.x + searchMargin + textWidth + cancelMargin,
 570                             y + ICON_OFFSET - 1, sizeCancel.x, height);
 571 }
 572
 573
 574 // accessors
 575 // ---------
 576
 577 wxString wxSearchCtrl::GetValue() const
 578 {
 579     wxString value = m_text->GetValue();
 580     if (value == m_text->GetDescriptiveText())
 581         return wxEmptyString;
 582     else
 583         return value;
 584 }
 585 void wxSearchCtrl::SetValue(const wxString& value)
 586 {
 587     m_text->SetValue(value);
 588 }
 589
 590 wxString wxSearchCtrl::GetRange(long from, long to) const
 591 {
 592     return m_text->GetRange(from, to);
 593 }
 594
 595 int wxSearchCtrl::GetLineLength(long lineNo) const
 596 {
 597     return m_text->GetLineLength(lineNo);
 598 }
 599 wxString wxSearchCtrl::GetLineText(long lineNo) const
 600 {
 601     return m_text->GetLineText(lineNo);
 602 }
 603 int wxSearchCtrl::GetNumberOfLines() const
 604 {
 605     return m_text->GetNumberOfLines();
 606 }
 607
 608 bool wxSearchCtrl::IsModified() const
 609 {
 610     return m_text->IsModified();
 611 }
 612 bool wxSearchCtrl::IsEditable() const
 613 {
 614     return m_text->IsEditable();
 615 }
 616
 617 // more readable flag testing methods
 618 bool wxSearchCtrl::IsSingleLine() const
 619 {
 620     return m_text->IsSingleLine();
 621 }
 622 bool wxSearchCtrl::IsMultiLine() const
 623 {
 624     return m_text->IsMultiLine();
 625 }
 626
 627 // If the return values from and to are the same, there is no selection.
 628 void wxSearchCtrl::GetSelection(long* from, long* to) const
 629 {
 630     m_text->GetSelection(from, to);
 631 }
 632
 633 wxString wxSearchCtrl::GetStringSelection() const
 634 {
 635     return m_text->GetStringSelection();
 636 }
 637
 638 // operations
 639 // ----------
 640
 641 // editing
 642 void wxSearchCtrl::Clear()
 643 {
 644     m_text->Clear();
 645 }
 646 void wxSearchCtrl::Replace(long from, long to, const wxString& value)
 647 {
 648     m_text->Replace(from, to, value);
 649 }
 650 void wxSearchCtrl::Remove(long from, long to)
 651 {
 652     m_text->Remove(from, to);
 653 }
 654
 655 // load/save the controls contents from/to the file
 656 bool wxSearchCtrl::LoadFile(const wxString& file)
 657 {
 658     return m_text->LoadFile(file);
 659 }
 660 bool wxSearchCtrl::SaveFile(const wxString& file)
 661 {
 662     return m_text->SaveFile(file);
 663 }
 664
 665 // sets/clears the dirty flag
 666 void wxSearchCtrl::MarkDirty()
 667 {
 668     m_text->MarkDirty();
 669 }
 670 void wxSearchCtrl::DiscardEdits()
 671 {
 672     m_text->DiscardEdits();
 673 }
 674
 675 // set the max number of characters which may be entered in a single line
 676 // text control
 677 void wxSearchCtrl::SetMaxLength(unsigned long len)
 678 {
 679     m_text->SetMaxLength(len);
 680 }
 681
 682 // writing text inserts it at the current position, appending always
 683 // inserts it at the end
 684 void wxSearchCtrl::WriteText(const wxString& text)
 685 {
 686     m_text->WriteText(text);
 687 }
 688 void wxSearchCtrl::AppendText(const wxString& text)
 689 {
 690     m_text->AppendText(text);
 691 }
 692
 693 // insert the character which would have resulted from this key event,
 694 // return true if anything has been inserted
 695 bool wxSearchCtrl::EmulateKeyPress(const wxKeyEvent& event)
 696 {
 697     return m_text->EmulateKeyPress(event);
 698 }
 699
 700 // text control under some platforms supports the text styles: these
 701 // methods allow to apply the given text style to the given selection or to
 702 // set/get the style which will be used for all appended text
 703 bool wxSearchCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 704 {
 705     return m_text->SetStyle(start, end, style);
 706 }
 707 bool wxSearchCtrl::GetStyle(long position, wxTextAttr& style)
 708 {
 709     return m_text->GetStyle(position, style);
 710 }
 711 bool wxSearchCtrl::SetDefaultStyle(const wxTextAttr& style)
 712 {
 713     return m_text->SetDefaultStyle(style);
 714 }
 715 const wxTextAttr& wxSearchCtrl::GetDefaultStyle() const
 716 {
 717     return m_text->GetDefaultStyle();
 718 }
 719
 720 // translate between the position (which is just an index in the text ctrl
 721 // considering all its contents as a single strings) and (x, y) coordinates
 722 // which represent column and line.
 723 long wxSearchCtrl::XYToPosition(long x, long y) const
 724 {
 725     return m_text->XYToPosition(x, y);
 726 }
 727 bool wxSearchCtrl::PositionToXY(long pos, long *x, long *y) const
 728 {
 729     return m_text->PositionToXY(pos, x, y);
 730 }
 731
 732 void wxSearchCtrl::ShowPosition(long pos)
 733 {
 734     m_text->ShowPosition(pos);
 735 }
 736
 737 // find the character at position given in pixels
 738 //
 739 // NB: pt is in device coords (not adjusted for the client area origin nor
 740 //     scrolling)
 741 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt, long *pos) const
 742 {
 743     return m_text->HitTest(pt, pos);
 744 }
 745 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt,
 746                                         wxTextCoord *col,
 747                                         wxTextCoord *row) const
 748 {
 749     return m_text->HitTest(pt, col, row);
 750 }
 751
 752 // Clipboard operations
 753 void wxSearchCtrl::Copy()
 754 {
 755     m_text->Copy();
 756 }
 757 void wxSearchCtrl::Cut()
 758 {
 759     m_text->Cut();
 760 }
 761 void wxSearchCtrl::Paste()
 762 {
 763     m_text->Paste();
 764 }
 765
 766 bool wxSearchCtrl::CanCopy() const
 767 {
 768     return m_text->CanCopy();
 769 }
 770 bool wxSearchCtrl::CanCut() const
 771 {
 772     return m_text->CanCut();
 773 }
 774 bool wxSearchCtrl::CanPaste() const
 775 {
 776     return m_text->CanPaste();
 777 }
 778
 779 // Undo/redo
 780 void wxSearchCtrl::Undo()
 781 {
 782     m_text->Undo();
 783 }
 784 void wxSearchCtrl::Redo()
 785 {
 786     m_text->Redo();
 787 }
 788
 789 bool wxSearchCtrl::CanUndo() const
 790 {
 791     return m_text->CanUndo();
 792 }
 793 bool wxSearchCtrl::CanRedo() const
 794 {
 795     return m_text->CanRedo();
 796 }
 797
 798 // Insertion point
 799 void wxSearchCtrl::SetInsertionPoint(long pos)
 800 {
 801     m_text->SetInsertionPoint(pos);
 802 }
 803 void wxSearchCtrl::SetInsertionPointEnd()
 804 {
 805     m_text->SetInsertionPointEnd();
 806 }
 807 long wxSearchCtrl::GetInsertionPoint() const
 808 {
 809     return m_text->GetInsertionPoint();
 810 }
 811 wxTextPos wxSearchCtrl::GetLastPosition() const
 812 {
 813     return m_text->GetLastPosition();
 814 }
 815
 816 void wxSearchCtrl::SetSelection(long from, long to)
 817 {
 818     m_text->SetSelection(from, to);
 819 }
 820 void wxSearchCtrl::SelectAll()
 821 {
 822     m_text->SelectAll();
 823 }
 824
 825 void wxSearchCtrl::SetEditable(bool editable)
 826 {
 827     m_text->SetEditable(editable);
 828 }
 829
 830 bool wxSearchCtrl::SetFont(const wxFont& font)
 831 {
 832     bool result = wxSearchCtrlBase::SetFont(font);
 833     if ( result && m_text )
 834     {
 835         result = m_text->SetFont(font);
 836     }
 837     RecalcBitmaps();
 838     return result;
 839 }
 840
 841 // search control generic only
 842 void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap )
 843 {
 844     m_searchBitmap = bitmap;
 845     m_searchBitmapUser = bitmap.Ok();
 846     if ( m_searchBitmapUser )
 847     {
 848         if ( m_searchButton && !HasMenu() )
 849         {
 850             m_searchButton->SetBitmapLabel( m_searchBitmap );
 851         }
 852     }
 853     else
 854     {
 855         // the user bitmap was just cleared, generate one
 856         RecalcBitmaps();
 857     }
 858 }
 859
 860 #if wxUSE_MENUS
 861
 862 void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap )
 863 {
 864     m_searchMenuBitmap = bitmap;
 865     m_searchMenuBitmapUser = bitmap.Ok();
 866     if ( m_searchMenuBitmapUser )
 867     {
 868         if ( m_searchButton && m_menu )
 869         {
 870             m_searchButton->SetBitmapLabel( m_searchMenuBitmap );
 871         }
 872     }
 873     else
 874     {
 875         // the user bitmap was just cleared, generate one
 876         RecalcBitmaps();
 877     }
 878 }
 879
 880 #endif // wxUSE_MENUS
 881
 882 void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap )
 883 {
 884     m_cancelBitmap = bitmap;
 885     m_cancelBitmapUser = bitmap.Ok();
 886     if ( m_cancelBitmapUser )
 887     {
 888         if ( m_cancelButton )
 889         {
 890             m_cancelButton->SetBitmapLabel( m_cancelBitmap );
 891         }
 892     }
 893     else
 894     {
 895         // the user bitmap was just cleared, generate one
 896         RecalcBitmaps();
 897     }
 898 }
 899
 900 #if 0
 901
 902 // override streambuf method
 903 #if wxHAS_TEXT_WINDOW_STREAM
 904 int overflow(int i);
 905 #endif // wxHAS_TEXT_WINDOW_STREAM
 906
 907 // stream-like insertion operators: these are always available, whether we
 908 // were, or not, compiled with streambuf support
 909 wxTextCtrl& operator<<(const wxString& s);
 910 wxTextCtrl& operator<<(int i);
 911 wxTextCtrl& operator<<(long i);
 912 wxTextCtrl& operator<<(float f);
 913 wxTextCtrl& operator<<(double d);
 914 wxTextCtrl& operator<<(const wxChar c);
 915 #endif
 916
 917 void wxSearchCtrl::DoSetValue(const wxString& value, int flags)
 918 {
 919     m_text->DoSetValue(value, flags);
 920 }
 921
 922 bool wxSearchCtrl::DoLoadFile(const wxString& file, int fileType)
 923 {
 924     return m_text->DoLoadFile(file, fileType);
 925 }
 926
 927 bool wxSearchCtrl::DoSaveFile(const wxString& file, int fileType)
 928 {
 929     return m_text->DoSaveFile(file, fileType);
 930 }
 931
 932 // do the window-specific processing after processing the update event
 933 void wxSearchCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
 934 {
 935     wxSearchCtrlBase::DoUpdateWindowUI(event);
 936 }
 937
 938 bool wxSearchCtrl::ShouldInheritColours() const
 939 {
 940     return true;
 941 }
 942
 943 // icons are rendered at 3-8 times larger than necessary and downscaled for
 944 // antialiasing
 945 static int GetMultiplier()
 946 {
 947 #ifdef __WXWINCE__
 948     // speed up bitmap generation by using a small bitmap
 949     return 3;
 950 #else
 951     int depth = ::wxDisplayDepth();
 952
 953     if  ( depth >= 24 )
 954     {
 955         return 8;
 956     }
 957     return 6;
 958 #endif
 959 }
 960
 961 wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop )
 962 {
 963     wxColour bg = GetBackgroundColour();
 964     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP-20);
 965
 966     //===============================================================================
 967     // begin drawing code
 968     //===============================================================================
 969     // image stats
 970
 971     // force width:height ratio
 972     if ( 14*x > y*20 )
 973     {
 974         // x is too big
 975         x = y*20/14;
 976     }
 977     else
 978     {
 979         // y is too big
 980         y = x*14/20;
 981     }
 982
 983     // glass 11x11, top left corner
 984     // handle (9,9)-(13,13)
 985     // drop (13,16)-(19,6)-(16,9)
 986
 987     int multiplier = GetMultiplier();
 988     int penWidth = multiplier * 2;
 989
 990     penWidth = penWidth * x / 20;
 991
 992     wxBitmap bitmap( multiplier*x, multiplier*y );
 993     wxMemoryDC mem;
 994     mem.SelectObject(bitmap);
 995
 996     // clear background
 997     mem.SetBrush( wxBrush(bg) );
 998     mem.SetPen( wxPen(bg) );
 999     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
1000
1001     // draw drop glass
1002     mem.SetBrush( wxBrush(fg) );
1003     mem.SetPen( wxPen(fg) );
1004     int glassBase = 5 * x / 20;
1005     int glassFactor = 2*glassBase + 1;
1006     int radius = multiplier*glassFactor/2;
1007     mem.DrawCircle(radius,radius,radius);
1008     mem.SetBrush( wxBrush(bg) );
1009     mem.SetPen( wxPen(bg) );
1010     mem.DrawCircle(radius,radius,radius-penWidth);
1011
1012     // draw handle
1013     int lineStart = radius + (radius-penWidth/2) * 707 / 1000; // 707 / 1000 = 0.707 = 1/sqrt(2);
1014
1015     mem.SetPen( wxPen(fg) );
1016     mem.SetBrush( wxBrush(fg) );
1017     int handleCornerShift = penWidth * 707 / 1000 / 2; // 707 / 1000 = 0.707 = 1/sqrt(2);
1018     handleCornerShift = WXMAX( handleCornerShift, 1 );
1019     int handleBase = 4 * x / 20;
1020     int handleLength = 2*handleBase+1;
1021     wxPoint handlePolygon[] =
1022     {
1023         wxPoint(-handleCornerShift,+handleCornerShift),
1024         wxPoint(+handleCornerShift,-handleCornerShift),
1025         wxPoint(multiplier*handleLength/2+handleCornerShift,multiplier*handleLength/2-handleCornerShift),
1026         wxPoint(multiplier*handleLength/2-handleCornerShift,multiplier*handleLength/2+handleCornerShift),
1027     };
1028     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,lineStart,lineStart);
1029
1030     // draw drop triangle
1031     int triangleX = 13 * x / 20;
1032     int triangleY = 5 * x / 20;
1033     int triangleBase = 3 * x / 20;
1034     int triangleFactor = triangleBase*2+1;
1035     if ( renderDrop )
1036     {
1037         wxPoint dropPolygon[] =
1038         {
1039             wxPoint(multiplier*0,multiplier*0), // triangle left
1040             wxPoint(multiplier*triangleFactor-1,multiplier*0), // triangle right
1041             wxPoint(multiplier*triangleFactor/2,multiplier*triangleFactor/2), // triangle bottom
1042         };
1043         mem.DrawPolygon(WXSIZEOF(dropPolygon),dropPolygon,multiplier*triangleX,multiplier*triangleY);
1044     }
1045     mem.SelectObject(wxNullBitmap);
1046
1047     //===============================================================================
1048     // end drawing code
1049     //===============================================================================
1050
1051     if ( multiplier != 1 )
1052     {
1053         wxImage image = bitmap.ConvertToImage();
1054         image.Rescale(x,y);
1055         bitmap = wxBitmap( image );
1056     }
1057     if ( !renderDrop )
1058     {
1059         // Trim the edge where the arrow would have gone
1060         bitmap = bitmap.GetSubBitmap(wxRect(0,0, y,y));
1061     }
1062
1063     return bitmap;
1064 }
1065
1066 wxBitmap wxSearchCtrl::RenderCancelBitmap( int x, int y )
1067 {
1068     wxColour bg = GetBackgroundColour();
1069     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP);
1070
1071     //===============================================================================
1072     // begin drawing code
1073     //===============================================================================
1074     // image stats
1075
1076     // total size 14x14
1077     // force 1:1 ratio
1078     if ( x > y )
1079     {
1080         // x is too big
1081         x = y;
1082     }
1083     else
1084     {
1085         // y is too big
1086         y = x;
1087     }
1088
1089     // 14x14 circle
1090     // cross line starts (4,4)-(10,10)
1091     // drop (13,16)-(19,6)-(16,9)
1092
1093     int multiplier = GetMultiplier();
1094
1095     int penWidth = multiplier * x / 14;
1096
1097     wxBitmap bitmap( multiplier*x, multiplier*y );
1098     wxMemoryDC mem;
1099     mem.SelectObject(bitmap);
1100
1101     // clear background
1102     mem.SetBrush( wxBrush(bg) );
1103     mem.SetPen( wxPen(bg) );
1104     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
1105
1106     // draw drop glass
1107     mem.SetBrush( wxBrush(fg) );
1108     mem.SetPen( wxPen(fg) );
1109     int radius = multiplier*x/2;
1110     mem.DrawCircle(radius,radius,radius);
1111
1112     // draw cross
1113     int lineStartBase = 4 * x / 14;
1114     int lineLength = x - 2*lineStartBase;
1115
1116     mem.SetPen( wxPen(bg) );
1117     mem.SetBrush( wxBrush(bg) );
1118     int handleCornerShift = penWidth/2;
1119     handleCornerShift = WXMAX( handleCornerShift, 1 );
1120     wxPoint handlePolygon[] =
1121     {
1122         wxPoint(-handleCornerShift,+handleCornerShift),
1123         wxPoint(+handleCornerShift,-handleCornerShift),
1124         wxPoint(multiplier*lineLength+handleCornerShift,multiplier*lineLength-handleCornerShift),
1125         wxPoint(multiplier*lineLength-handleCornerShift,multiplier*lineLength+handleCornerShift),
1126     };
1127     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,multiplier*lineStartBase,multiplier*lineStartBase);
1128     wxPoint handlePolygon2[] =
1129     {
1130         wxPoint(+handleCornerShift,+handleCornerShift),
1131         wxPoint(-handleCornerShift,-handleCornerShift),
1132         wxPoint(multiplier*lineLength-handleCornerShift,-multiplier*lineLength-handleCornerShift),
1133         wxPoint(multiplier*lineLength+handleCornerShift,-multiplier*lineLength+handleCornerShift),
1134     };
1135     mem.DrawPolygon(WXSIZEOF(handlePolygon2),handlePolygon2,multiplier*lineStartBase,multiplier*(x-lineStartBase));
1136
1137     //===============================================================================
1138     // end drawing code
1139     //===============================================================================
1140
1141     if ( multiplier != 1 )
1142     {
1143         wxImage image = bitmap.ConvertToImage();
1144         image.Rescale(x,y);
1145         bitmap = wxBitmap( image );
1146     }
1147
1148     return bitmap;
1149 }
1150
1151 void wxSearchCtrl::RecalcBitmaps()
1152 {
1153     if ( !m_text )
1154     {
1155         return;
1156     }
1157     wxSize sizeText = m_text->GetBestSize();
1158
1159     int bitmapHeight = sizeText.y - 2 * ICON_MARGIN;
1160     int bitmapWidth  = sizeText.y * 20 / 14;
1161
1162     if ( !m_searchBitmapUser )
1163     {
1164         if (
1165             !m_searchBitmap.Ok() ||
1166             m_searchBitmap.GetHeight() != bitmapHeight ||
1167             m_searchBitmap.GetWidth() != bitmapWidth
1168             )
1169         {
1170             m_searchBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,false);
1171             if ( !HasMenu() )
1172             {
1173                 m_searchButton->SetBitmapLabel(m_searchBitmap);
1174             }
1175         }
1176         // else this bitmap was set by user, don't alter
1177     }
1178
1179 #if wxUSE_MENUS
1180     if ( !m_searchMenuBitmapUser )
1181     {
1182         if (
1183             !m_searchMenuBitmap.Ok() ||
1184             m_searchMenuBitmap.GetHeight() != bitmapHeight ||
1185             m_searchMenuBitmap.GetWidth() != bitmapWidth
1186             )
1187         {
1188             m_searchMenuBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,true);
1189             if ( m_menu )
1190             {
1191                 m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
1192             }
1193         }
1194         // else this bitmap was set by user, don't alter
1195     }
1196 #endif // wxUSE_MENUS
1197
1198     if ( !m_cancelBitmapUser )
1199     {
1200         if (
1201             !m_cancelBitmap.Ok() ||
1202             m_cancelBitmap.GetHeight() != bitmapHeight ||
1203             m_cancelBitmap.GetWidth() != bitmapHeight
1204             )
1205         {
1206             m_cancelBitmap = RenderCancelBitmap(bitmapHeight-BORDER-1,bitmapHeight-BORDER-1); // square
1207             m_cancelButton->SetBitmapLabel(m_cancelBitmap);
1208         }
1209         // else this bitmap was set by user, don't alter
1210     }
1211 }
1212
1213 void wxSearchCtrl::OnSearchButton( wxCommandEvent& event )
1214 {
1215     event.Skip();
1216 }
1217
1218 void wxSearchCtrl::OnSetFocus( wxFocusEvent& /*event*/ )
1219 {
1220     if ( m_text )
1221     {
1222         m_text->SetFocus();
1223     }
1224 }
1225
1226 void wxSearchCtrl::OnSize( wxSizeEvent& WXUNUSED(event) )
1227 {
1228     int width, height;
1229     GetSize(&width, &height);
1230     LayoutControls(0, 0, width, height);
1231 }
1232
1233 #if wxUSE_MENUS
1234
1235 void wxSearchCtrl::PopupSearchMenu()
1236 {
1237     if ( m_menu )
1238     {
1239         wxSize size = GetSize();
1240         PopupMenu( m_menu, 0, size.y );
1241     }
1242 }
1243
1244 #endif // wxUSE_MENUS
1245
1246 #endif // !wxUSE_NATIVE_SEARCH_CONTROL
1247
1248 #endif // wxUSE_SEARCHCTRL